Pinch to zoom facebook

for touch screen support.Facebook.com and m.facebook.com (saves bandwidth), does not have pinch to zoom working. It works in Opera (sorry). Google Maps does work. General pinching (even for this page, does not work).

How to do a bugreport for Vivaldi
Report the bug at https://vivaldi.com/bugreport/
Describe the issue as precise as you can.
If you use any extensions please give information which ones you use.
If you have a URL or a own testpage which can checked, add it to the bugreport.
If you have own testcase files (HTML, CSS, JS etc.) add them to the confirmation mail you get after report.
If you have a screenrecording video, you can attach it to give the developers a hint how this might happen or look like.
You will get a bug confirmation mail and in a reply to this mail you can add more information and files as attachments for the testers and bug tracking team.